LH (Luteinsing Hormone) or Interstitial Cell Stimulating Hormone: In females, together with FSH, it triggers ovulation, stimulates conversion of ovarian follicles into corpus luteum and secretion of progesterone in females.It helps in maintaining pregnancy by controlling estrogen and progesterone.

FSH vs LH

FSH (Follicle Stimulating Hormone)

1. It controls the development of primary sex organs.

2. It stimulate gamete formation in primary sex organs.

3. It stimulates the secretion of estrogen by growing graafian follicle.

4. It controls thee first half of ovarian or menstrual cycle.

5. The hormone does not have any major role in ovulation.

6. It does not help in the synthesis of androgens.

7. It does not act on corpus luteum.

LH (Luteinsing Hormone)

1. It has no role in development of primary sex organs.

2. It has no effect on formation of gametes.

3. It does not to do so.

4. It controls the second half of menstrual cycle.

5. The hormone is required for ovulation.

6. LH acts on Leydig cells and help produce androgens.

7. It sustains development of corpus luteum and its secretory activity.